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Installation of the Watts AS Air scoop and FV4 Automatic Vent Valve will provide automatic air venting.

安装美国瓦茨AS导气罩和FV4自动排气阀将能够自动进行排气。

Installed in conjunction with the Watts "AS" Air Scoop and "FV4" Floatvent.

与美国瓦茨AS导气罩和FV4浮子排气阀一起安装。

Models ET-15 through ET-60 have a 1/2 male NPT connection for use with air scoop Model AS.

型号ET-15到ET-60都有DN15外螺纹连接端口，与型号AS导气罩一起使用

Installation of the Watts "AS" Air Scoop and "FV4" Floatvent will provide automatic air venting.

安装美国瓦茨AS导气罩和FV4浮子排气阀能够自动排气。

Installation of "ET" Expansion Tank in conjunction with the Watts "AS" Air Scoop and "FV4" Floatvent.

与美国瓦茨AS导气罩和FV4浮子排气阀一起安装的美国瓦茨ET膨胀罐。

The new HP package contains quality Watts components … including the new AS-B Bronze Air Scoop and the B911S Combination Bronze Fill Valve and Backflow Preventer.

最新的HP组件包内含优质的美国瓦茨部件，包括：新型AS-B青铜导气罩和B911S青铜进水阀和防倒流装置组合件。

The results showed that the trace elements were not anomalously enriched. Zn and Cu existed in sphalerite. Cr, Pb and Cd were adsorbed by clay minerals. Ba might exist in ankerite and calcite. Ni, Mo, Co and As mainly existed in pyrite. Be and Se were combined with organics. Many trace elements were difficult to volatilize. Because of high content and volatility, Pb and Zn, are harmful to environments; Zn and Pb separately exist in sphalerite and clay minerals, so it is easy to reduce their environmental damage by washing and processing of coal.

结果表明：研究的元素没有异常富集；Zn和Cu赋存于闪锌矿中，Cr、Pb和Cd被粘土矿物吸附，Ba可能赋存于铁白云石和方解石中，Ni、Mo、Co和As主要赋存于黄铁矿中，Be和Se以有机结合态存在；研究的元素大多不易挥发，但Zn和Pb易挥发，且含量较高，环境危害较大，Zn和Pb分别赋存于闪锌矿和粘土矿物中，可通过洗选脱除减小其危害。

The majority of patients with AS exhibit the HLA-B27 antigen and high levels of immunoglobulin A in the blood.

大多数患者与AS展的HLA - B27抗原和高水平的免疫球蛋白A在血液中。

By 1933 Zeiss had manufactured several proven refractors of the "E","A" and "AS" achromatic doublet designs, and apochromat triplets of the "U.V."

1933年，蔡司生产了"E"，"A"和"AS"等几款使用消色差镜头设计，并经过实际使用验证的折射望远镜，还有"U.V。"

In this study, the mechanism of aqueous As adsorption on synthetical iron-aluminum hydroxide complex was investigated in view of the component, structure, and surface character of the adsorbent and the pH, component, and arsenate species of the solution.

从吸附剂的组成、结构、表面性质、溶液的酸度及砷的存在形式等方面探讨了复合铁铝氢氧化物Fe5Al2(OH21.nH2O对溶液中As的吸附。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。